Commodity2005200620072008200920102011
Copper waste & scrap$19,004,630$60,957,432$58,969,051$53,434,984$38,755,052$94,182,642$74,417,617
Total$19,004,630$60,957,432$58,969,051$53,434,984$38,755,052$94,182,642$74,417,617